We can come up with a working definition of life, which is what we did for the Viking mission to Mars. We said we could think in t...erms of a large molecule made up of carbon compounds that can replicate, or make copies of itself, and metabolize food and energy. So that's the thought: macrocolecule, metabolism, replication.LESSATTRIBUTION DETAIL »

Science tries to answer the question: "How?" How do cells act in the body? How do you design an airplane that will fly faster than... sound? How is a molecule of insulin constructed? Religion, by contrast, tries to answer the question: "Why?" Why was man created? Why ought I to tell the truth? Why must there be sorrow or pain or death? Science attempts to analyze how things and people and animals behave; it has no concern whether this behavior is good or bad, is purposeful or not. But religion is precisely the quest for such answers: whether an act is right or wrong, good or bad, and why.LESSATTRIBUTION DETAIL »